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# cohort

«cohort» in Mova's school dictionary: **a group of people who have something in common, such as…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (a cohort, cohorts)

### meaning for a pupil

1) A cohort is a group of people who have something in common, such as the same age or starting school together. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#m1)

2) (formal) A cohort is a group of people studied together in research. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#m2)

3) (history) A cohort was a unit of soldiers in the Roman army, of about 480 men. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#m3)

4) (informal) A cohort can mean a supporter or companion of someone. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#m4)

### sense in the lessons

In schools and formal reports, «this year's cohort» means all the pupils in one year group. In history lessons, a Roman legion was made of cohorts. In science, a cohort study follows the same people over time. Phrases: year cohort, cohort study, a Roman cohort.

### examples

- This year's cohort of pupils did well in the tests. (formal) [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x1)
- A Roman cohort had six centuries of soldiers. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x2)
- The study followed a cohort of 800 children. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x3)
- The new cohort of nurses started training today. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x4)
- The cohort has 90 pupils in 3 classes, so 30 in each. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x5)
- The villain arrived with his cohorts. (informal) [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/#x6)

### note

Countable noun; formal. In the Roman army, a legion had 10 cohorts. The informal sense «companions» is common but some people dislike it. In maths, a cohort split into equal classes is a division problem.

### Trees and pragmatics

[Every meaning and example of «cohort» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cohort/), each sentence with its dependency tree and frames.